I'll chime in as well, but on the starter question.
As far as whether the controls are adequate, my experience with auditors is that this is determined by your policies and procedures.
Now, with that non-answer out of the way, I would recommend that you create a checklist with controls that you feel are appropriate and feasible. One way is to start with a vendor that you are confident is doing a sufficient job, and use that as a template. If you are looking at internal mitigation controls, then start with that CUEC list [or a more robust one from another vendor, and add in the vendor specific ones] and build from there.
The advantage of a checklist is that it is a relatively static thing, and shapes the review for those who feel they are either too busy or not qualified to review. Auditors often like it because it shows a consistency of review.
But, as with all things, your mileage may vary.
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Dave Howe
CIO Franklin First FCU
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